Had a miscarriage almost 3 weeks ago at 5 weeks and got this today (afternoon, not first urine)

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I had a miscarriage at 5 weeks about 3 weeks ago. I have been taking 88 cent Walmart past couple of days and they have been positive so today I got a frer to see what it would look like and this is what I got. I’m confused because this was three weeks ago I had a full bleed with clots and my lines were getting lighter before I bled. So I don’t know what this could be?? It seems dark for a miscarriage 5 weeks ago with afternoon Urine???